Knuth Numturn 420 SI CNC Cycle Lathe

Powerful CNC Technology for high flexibility and easy handling, available in 4 versions
 

Knuth Numturn 420 SI CNC Cycle Lathe:

  • manually transverse the X and Z axes via 2 electronic hand wheels
  • User-oriented cycle interface for easy parts programming - turning cycles with many programming options to create a complete parts program
  • USB port for easy data transfers (Sinumerik 808 D on PC included in standard equipment)
  • induction-hardened, ground guideways
  • Longitudinal and transverse movements via high-quality preloaded ball screws and servo drives
  • smart central lubrication system for low-maintenance operation

Specifications - Knuth Numturn 420 SI CNC Cycle Lathe:

 

Working area

Workpiece length (max.)

Turning diameter over bed

Turning diameter over support

Travel X-axis

Travel Z-axis

 

750 mm

420 mm

230 mm

220 mm

590 mm

Headstock

Spindle speed

Spindle mount

Spindle bore

Spindle bore

 

 

3.000 rpm

A2-6

35 mm

35 mm

 

Feed

Rapid feed X-axis

Rapid feed Z-axis

 

 

4.000 mm/min

8.000 mm/min

 

Tool head

Number of tool stations

 

8 Pieces

Tailstock

Tailstock taper

Tailstock quill diameter

Tailstock quill stroke

 

MT 4

52 mm

100 mm

Accuracies

Positioning accuracy X-axis

Positioning accuracy Z-axis

Repeatability X-axis

Repeatability Z-axis

 

 

0,015 mm

0,02 mm

0,015 mm

0,02 mm

 

Drive capacity

Motor rating main drive

Motor rating coolant pump

Motor rating X-axis

Motor rating Z

 

 

7,5 kW

0,125 kW

1,5 kW

1,5 kW

 

Control:

Siemens Sinumerik 808 D MM Plus Drehen

Standard equipment:

Siemens 808 D MM Plus control, 2 electronic hand-wheels, hydr. 3-jaw chuck Ø 200 mm, 8-station turret, automatic central lubrication, work lamp, operating tools, operating manual and programming instructions

 

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